•  
• Bearing Type
• current code
  NNU 4920 BK/SPW33
• The inside diameter of
• d
  100
• Outer diameter
• D
  140
• Thickness
• B
  40
• Basic dynamic load rating
• Cr
  128
• Basic static load rating
• C₀
  255
• Fatigue load
• P_u
  29
• Reference speed
• Reference speed
  5600
• limit speed
• limit speed
  6300r/min
• Bearing Type
• Type
  Cylindrical Roller Bearings

NNU 4920 BK/SPW33Bearings are suitable for large and medium-sized motors, locomotives, machine tool spindles, internal combustion engines, generators, gas turbines, gearboxes, rolling mills, vibrating screens, and hoisting and transportation machinery.